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Re^4: Strange Global Array issue

by topher (Scribe)
on Apr 16, 2013 at 17:39 UTC ( #1028974=note: print w/replies, xml ) Need Help??


in reply to Re^3: Strange Global Array issue
in thread Strange Global Array issue

The use of $_ in a foreach doesn't add much risk or cause much reduction in the robustness of the code. foreach, like map and grep, will always localize $_ within its scope.

There is only the slight risk of the function mucking with $_ (as the original poster's original function did); however, any function that uses or modifies a non-localized $_ is broken.

Christopher Cashell

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